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Added Buildable->BuildLimit option to limit the number of actors a player can build of the type

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This commit is contained in:
Carko
2013-01-04 02:40:17 +01:00
committed by Chris Forbes
parent 0c104cfc3a
commit a51c5fd9ca
3 changed files with 46 additions and 26 deletions
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43
OpenRA.Mods.RA/Player/TechTree.cs
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@@ -34,20 +34,21 @@ namespace OpenRA.Mods.RA
public void ActorChanged(Actor a)
{
if (a.Owner == player && a.HasTrait<ITechTreePrerequisite>())
var bi = a.Info.Traits.GetOrDefault<BuildableInfo>();
if (a.Owner == player && (a.HasTrait<ITechTreePrerequisite>() || (bi != null && bi.BuildLimit > 0)))
Update();
}
public void Update()
{
var buildings = GatherBuildings(player);
var buildables = GatherBuildables(player);
foreach(var w in watchers)
w.Update(buildings);
w.Update(buildables);
}
public void Add(string key, List<string> prerequisites, ITechTreeElement tte)
public void Add(string key, BuildableInfo info, ITechTreeElement tte)
{
watchers.Add(new Watcher( key, prerequisites, tte ));
watchers.Add(new Watcher( key, info, tte ));
}
public void Remove(string key)
@@ -55,18 +56,24 @@ namespace OpenRA.Mods.RA
watchers.RemoveAll(x => x.key == key);
}
static Cache<string, List<Actor>> GatherBuildings( Player player )
static Cache<string, List<Actor>> GatherBuildables( Player player )
{
var ret = new Cache<string, List<Actor>>( x => new List<Actor>() );
if (player == null)
return ret;
// Add buildables that provide prerequisites
foreach (var b in player.World.ActorsWithTrait<ITechTreePrerequisite>()
.Where(a => a.Actor.IsInWorld && !a.Actor.IsDead() && a.Actor.Owner == player))
foreach (var p in b.Trait.ProvidesPrerequisites)
ret[ p ].Add( b.Actor );
// Add buildables that have a build limit set and are not already in the list
player.World.ActorsWithTrait<Buildable>()
.Where(a => a.Actor.Info.Traits.Get<BuildableInfo>().BuildLimit > 0 && !a.Actor.IsDead() && a.Actor.Owner == player && ret.Keys.All(k => k != a.Actor.Info.Name))
.ToList()
.ForEach(b => ret[b.Actor.Info.Name].Add(b.Actor));
return ret;
}
@@ -74,30 +81,30 @@ namespace OpenRA.Mods.RA
{
public readonly string key;
// strings may be either actor type, or "alternate name" key
public readonly List<string> prerequisites;
public readonly string[] prerequisites;
public readonly ITechTreeElement watcher;
bool hasPrerequisites;
int buildLimit;
public Watcher(string key, List<string> prerequisites, ITechTreeElement watcher)
public Watcher(string key, BuildableInfo info, ITechTreeElement watcher)
{
this.key = key;
this.prerequisites = prerequisites;
this.prerequisites = info.Prerequisites;
this.watcher = watcher;
this.hasPrerequisites = false;
this.buildLimit = info.BuildLimit;
}
bool HasPrerequisites(Cache<string, List<Actor>> buildings)
bool HasPrerequisites(Cache<string, List<Actor>> buildables)
{
foreach (var p in prerequisites)
if (p.StartsWith("!") ^
!buildings.Keys.Contains(p.Replace("!","")))
return false;
return true;
return prerequisites.All(p => !(p.StartsWith("!") ^ !buildables.Keys.Contains(p.Replace("!", ""))));
}
public void Update(Cache<string, List<Actor>> buildings)
public void Update(Cache<string, List<Actor>> buildables)
{
var nowHasPrerequisites = HasPrerequisites(buildings);
var hasReachedBuildLimit = buildLimit > 0 && buildables[key].Count >= buildLimit;
var nowHasPrerequisites = HasPrerequisites(buildables) && !hasReachedBuildLimit;
if( nowHasPrerequisites && !hasPrerequisites )
watcher.PrerequisitesAvailable(key);